#!/bin/sh

if [ ! "$1" ]
then
  echo "need dir"
  exit 1
fi

for file in $(find $1 -name rejected -prune -o -name .mh_sequences -prune -o -type f -print)
do
  from_count=$(grep '^From:[[:space:]]' $file | wc -l)

  if [ $from_count -gt 2 ]
  then
    echo "TOO MANY FROM $from_count -- $file"
  fi

  if [ $from_count -lt 1 ]
  then
    echo "NO FROM          -- $file"
  fi

  if [ ! "$(cat $file | formail -XMessage-ID:)" ]
  then
    echo "NO MESSAGEID     -- $file"
  fi

  DATE1=`cat $file | formail -xDate: | head -1`
  DATE=`if [ -z "$DATE1" ]; then cat $file | formail -x'From ' | cut -d' ' -f 3-; else echo $DATE1; fi`
  # Sometimes people use timezone stuff we don't understand, so
  # strip off the end
  FIXED_DATE=`echo $DATE | sed 's/\s\s*[A-Z][A-Z0-9+:-]*\s*$//' | sed 's/\s\s*[+-][0-9]*\s*$//' | sed 's/\s\s*0*\s*$//'`
  DTAG1=`(date -d "$DATE" +%Y-%m 2>&1 || date -d "$FIXED_DATE" +%Y-%m 2>&1 || echo NODA-TE) | tail -1`
  DTAG=`if [ -z "$DATE" -o -z "$DTAG1" ]; then echo NODA-TE; else echo $DTAG1; fi`
  if [ ! "$DTAG" -o "$DTAG" == "NODA-TE" ]
  then
    echo "NO DATE          -- $file"
  fi
done